TLE 8 Q4 M6: Technical Drafting

What is the purpose of technical drafting?

• To read and analyze signs

• To study symbols and data

• To prepare and interpret technical drawings

• To work in the design and manufacturing industries

What is orthographic projection?

• A system for graphical representation of an object by a line drawing on a flat surface

• A type of isometric drawing

• A method of perspective drawing

• A type of pictorial drawing

How many principal views of an object are typically shown in orthographic projection?

• Three

• Four

• Five

• Six

Which planes of projection are used in orthographic drawing?

• First angle, second angle, third angle, and fourth angle planes

• Top, side, and bottom planes

• Frontal, profile, and horizontal planes

• Vertical, horizontal, and diagonal planes

What is the purpose of mechanical drawing?

• To sketch rough drafts

• To describe the shapes of objects completely and exactly

• To create artistic drawings

• To design buildings

Which projection system places the object on the first quadrants?

• Isometric Drawing

• Third-Angle Projection

• First-Angle Projection

• Dimetric Drawing

In which projection system is the top view of the object projected down the horizontal plane?

• First-Angle Projection

• Third-Angle Projection

• Isometric Drawing

• Dimetric Drawing

What is the purpose of isometric lines in isometric drawing?

• To show the depth of the object

• To draw parallel lines

• To indicate the height of the object

• To represent the width of the object

What is the angle used in isometric drawing to tilt the object surfaces in front of the observer?

• 60 degrees

• 45 degrees

• 30 degrees

• 15 degrees

What is the purpose of dimensioning in technical drawing?

• To place sizes and related information on a drawing

• To add texture to the object

• To create a 3D effect

• To add color to the drawing